ANSWERS 2026
what represents ventricular heart depolarization on an EKG? - CORRECT ANSWER -QRS wave
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what is the universal standard speed for recording an EKG? - CORRECT ANSWER - 25mm/second
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which organization developed the guidelines for universal precautions - CORRECT ANSWER -
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CDC
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normal pH for urine - CORRECT ANSWER -4.5-8.0
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A routine analysis of urine is made up of which of the following sets of examinations? -
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CORRECT ANSWER -microscopic , chemical , physical
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To prevent a urine sample from becoming an unreliable pH sample, the specimen should be ha
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ndled in which manner? - CORRECT ANSWER -tested within 1 hour of collection
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which color on a vacuum top indicates that the blood specimen will be used for cultured -
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CORRECT ANSWER -yellow 1 1
what are bioethics concerned with ? - CORRECT ANSWER - moral
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controversy over biomedical technology
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what is the principal reason for bracing the hand holding the needle assembly against the pt ar m
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during phlebotomy - CORRECT ANSWER -prevent excess needle movement
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, When a reagent strip is used to test a urine specimen and the result is positive for ketones, thi s
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may be an indication of which condition? - CORRECT ANSWER -diabetes melitus
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when would a capillary blood sample be diluted with tissue fluid - CORRECT ANSWER - if
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the finger is squeezed excessively
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never leave a tourniquet on the arm for how many seconds - CORRECT ANSWER -60 seconds
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what is the primary purpose for anchoring a vein in performing a venipuncture -
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CORRECT ANSWER -to prevent it from rolling
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what angle should your needle be positioned to perform a venipuncture - CORRECT ANSWER - 15
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degree angle with the bevel up
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Diplomacy - CORRECT ANSWER - 1 1 1 1
initiating and responding in a calm professional manner with others
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which color topped tubed is used to test specimens for tests requiring serums -
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CORRECT ANSWER -Red 1 1
what is the usual size of the needle being used when performing a venipuncture -
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CORRECT ANSWER -1 1/2 inch 21 gauge 1 1 1 1 1 1
what is the purpose of the plastic collection tube holder - CORRECT ANSWER - aid
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insertion and withdrawal of blood vacuum tubes
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what is the term for the relaxing phase of the cardiac cycle - CORRECT ANSWER -repolariztion
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